I am running SQ lite on my Raspberry pi 3 and get the following message recently (after upgrade to 2.5 M3 (!?)
java.sql.SQLException: [SQLITE_BUSY] The database file is locked (database is locked) Query: SELECT time, value FROM item0403 ORDER BY time DESC LIMIT 0,1000 Parameters: 
I guess the DB is full,
This makes me think about reading (again) the various threads about which persistance to use and why…
Anyway - how to delete single entried instead of the entire DB?